//
//  UIScreen+Extension.swift
//  swift-weibo
//
//  Created by 陈乾 on 15/11/1.
//  Copyright © 2015年 陈乾. All rights reserved.
//

import UIKit

///UIScreen的拓展
extension UIScreen {

   class func  screenWidth() ->CGFloat {
    
     return UIScreen.mainScreen().bounds.width
    }
    
   class func  screenHeight() ->CGFloat {
        
        return UIScreen.mainScreen().bounds.height
    }
    
}
